suppress post count on avatar for single post

app/assets/javascripts/discourse/components/topic-participant.js.es6

@@ -1,6 +1,7 @@
 export default Ember.Component.extend({
 
   postStream: Em.computed.alias('participant.topic.postStream'),
+  showPostCount: Em.computed.gte('participant.post_count', 2),
 
   toggled: function() {
     return this.get('postStream.userFilters').contains(this.get('participant.username'));

app/assets/javascripts/discourse/controllers/poster-expansion.js.es6

@@ -88,5 +88,3 @@ export default ObjectController.extend({
   }
 
 });
-
-

app/assets/javascripts/discourse/templates/components/topic-participant.js.handlebars

@@ -1,4 +1,6 @@
 <a href='#' {{bind-attr class=":poster toggled"}} {{action toggle}} title="{{unbound participant.username}}">
-  <span class='post-count'>{{unbound participant.post_count}}</span>
+  {{#if showPostCount}}
+    <span class='post-count'>{{unbound participant.post_count}}</span>
+  {{/if}}
   {{avatar participant imageSize="medium"}}
 </a>